## What this PR does
Combines and unifies COSI enhancements across seaweedfs and bucket
charts:
**SeaweedFS (extra + system charts):**
- Rename storage pool BucketClass suffix from `-worm` to `-lock`
- Rename parameter `disk` to `diskType` for consistency with COSI driver
- Reduce default object lock retention from 36500 to 365 days
- Add `-lock` BucketClass (COMPLIANCE mode, 365 days) for client and
system topologies
- Add `-readonly` BucketAccessClass with explicit `accessPolicy` for all
topologies
- Add explicit `accessPolicy: readwrite` on default BucketAccessClass
- Update pool name validation to reject `-lock` suffix (was `-worm`)
**Bucket app:**
- Add `locking` parameter: provisions from `-lock` BucketClass
- Add `storagePool` parameter: selects pool-specific BucketClass
- Replace hardcoded BucketAccess with `users` map — each entry creates a
BucketAccess with optional `readonly` flag
- Update dashboard RBAC to dynamically list user credential secrets
- Update ApplicationDefinition schema with new properties
**Breaking change:** empty `users: {}` (default) produces zero
BucketAccess resources. Existing buckets that relied on the implicit
default BucketAccess will need to define users explicitly.
### Release note
```release-note
[apps] Add locking, storagePool, and users configuration to bucket app; rename COSI BucketClass suffix from -worm to -lock
```
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Bucket locking with a shorter retention option, storage-pool
selectable bucket classes, and per-user access (per-user BucketAccess
and readonly controls)
* S3 Manager login mode: user login/logout, per-session credentials, and
new login UI
* **Behavior Changes**
* Credential handling changed to per-user secrets/label selection;
previously generated secrets removed; Ingress basic auth annotations
removed
* **Documentation**
* Added parameters: locking, storagePool, users (including per-user
readonly)
* **Updates**
* Updated COSI driver and S3 manager images
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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